H/V Ratio Adjustment; Detail Level Adjustment - Sony BVP-500 Maintenance Manual

4-13. H/V Ratio Adjustment

Note:
Perform this adjustment, if necessary, to suit the custom-
er's preferences.
Equipment
: Waveform monitor
Test Point
: MONITOR connector
Object : Grayscale chart
Preparations:
• Connect the waveform monitor to the MONITOR
connector.
• Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
• S650 (MONITOR SELECT)/IF-538 panel → VBS
• KNEE OFF button/MSU operation panel → OFF (Lights)
• DETAIL OFF button/MSU operation panel → ON (Goes out)
Adjustment Procedures:
: A = 90 ±2 IRE (for NTSC)
1. Iris of the lens
A= 630 ±14 mV (for PAL)
(Waveform Monitor)
2. MSU menu operation:
• PAINT button → ON (Lights)
• Touch panel operation
(Page 1/3) → Detail → Detail2
Adjustment item : H/V Ratio
Specifications
: The ratio between the H and V
detail amounts (white) to be
added shall be 1 : 1.
V
(Monitor Screen)
BVP-500
BVP-500P
H

4-14. Detail Level Adjustment

Note:
Perform this adjustment, if necessary, to suit the custom-
er's preferences.
Equipment
: Waveform monitor
Test Point
: MONITOR connector
Object : Grayscale chart
Preparations:
• Connect the waveform monitor to the MONITOR
connector.
• Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
• S650 (MONITOR SELECT)/IF-538 panel → VBS
• DETAIL OFF button/MSU operation panel → ON (Goes out)
Adjustment Procedures:
: A = 90 ±2 IRE (for NTSC)
1. Iris of the lens
A = 630 ±14 mV (for PAL)
(Waveform Monitor)
2. Adjust the auto white balance.
WHITE button/MSU operation panel → ON (Lights)
3. MSU menu operation:
• PAINT button → ON (Lights)
• Touch panel operation
(Page 1/3) → Detail → Detail1
Adjustment item : Level
Specifications
: Adjust the detail signal level to
be added to each step in the
grayscale chart for the desired
level.
4-13. H/V Ratio Adjustment
4-14. Detail Level Adjustment
4-17